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import json |
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import os |
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from typing import TYPE_CHECKING, Any, Dict, Tuple |
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import gradio as gr |
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from ...extras.constants import DATA_CONFIG |
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if TYPE_CHECKING: |
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from gradio.components import Component |
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PAGE_SIZE = 2 |
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def prev_page(page_index: int) -> int: |
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return page_index - 1 if page_index > 0 else page_index |
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def next_page(page_index: int, total_num: int) -> int: |
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return page_index + 1 if (page_index + 1) * PAGE_SIZE < total_num else page_index |
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def can_preview(dataset_dir: str, dataset: list) -> Dict[str, Any]: |
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try: |
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with open(os.path.join(dataset_dir, DATA_CONFIG), "r", encoding="utf-8") as f: |
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dataset_info = json.load(f) |
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except Exception: |
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return gr.update(interactive=False) |
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if ( |
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len(dataset) > 0 |
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and "file_name" in dataset_info[dataset[0]] |
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and os.path.isfile(os.path.join(dataset_dir, dataset_info[dataset[0]]["file_name"])) |
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): |
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return gr.update(interactive=True) |
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else: |
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return gr.update(interactive=False) |
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def get_preview(dataset_dir: str, dataset: list, page_index: int) -> Tuple[int, list, Dict[str, Any]]: |
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with open(os.path.join(dataset_dir, DATA_CONFIG), "r", encoding="utf-8") as f: |
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dataset_info = json.load(f) |
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data_file: str = dataset_info[dataset[0]]["file_name"] |
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with open(os.path.join(dataset_dir, data_file), "r", encoding="utf-8") as f: |
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if data_file.endswith(".json"): |
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data = json.load(f) |
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elif data_file.endswith(".jsonl"): |
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data = [json.loads(line) for line in f] |
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else: |
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data = [line for line in f] |
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return len(data), data[PAGE_SIZE * page_index : PAGE_SIZE * (page_index + 1)], gr.update(visible=True) |
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def create_preview_box(dataset_dir: "gr.Textbox", dataset: "gr.Dropdown") -> Dict[str, "Component"]: |
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data_preview_btn = gr.Button(interactive=False, scale=1) |
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with gr.Column(visible=False, elem_classes="modal-box") as preview_box: |
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with gr.Row(): |
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preview_count = gr.Number(value=0, interactive=False, precision=0) |
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page_index = gr.Number(value=0, interactive=False, precision=0) |
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with gr.Row(): |
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prev_btn = gr.Button() |
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next_btn = gr.Button() |
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close_btn = gr.Button() |
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with gr.Row(): |
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preview_samples = gr.JSON(interactive=False) |
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dataset.change(can_preview, [dataset_dir, dataset], [data_preview_btn], queue=False).then( |
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lambda: 0, outputs=[page_index], queue=False |
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) |
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data_preview_btn.click( |
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get_preview, [dataset_dir, dataset, page_index], [preview_count, preview_samples, preview_box], queue=False |
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) |
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prev_btn.click(prev_page, [page_index], [page_index], queue=False).then( |
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get_preview, [dataset_dir, dataset, page_index], [preview_count, preview_samples, preview_box], queue=False |
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) |
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next_btn.click(next_page, [page_index, preview_count], [page_index], queue=False).then( |
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get_preview, [dataset_dir, dataset, page_index], [preview_count, preview_samples, preview_box], queue=False |
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) |
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close_btn.click(lambda: gr.update(visible=False), outputs=[preview_box], queue=False) |
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return dict( |
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data_preview_btn=data_preview_btn, |
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preview_count=preview_count, |
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page_index=page_index, |
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prev_btn=prev_btn, |
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next_btn=next_btn, |
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close_btn=close_btn, |
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preview_samples=preview_samples, |
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) |
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